英制钢丝螺套规格、螺纹护套规格参数表
螺纹规格d×p | k×d | 钢丝螺套安装后长度L(mm) | 钻头直径do(mm) | 自由状态下外径Dz(mm) | 自由状态螺套圈数N(≈) |
4-40 | 1d | 2.9 | 3 | 3.66-4.04 | 3.2 |
5-40 | 1d | 3.2 | 3.4 | 4.01-4.39 | 3.7 |
6-32 | 1d | 3.5 | 3.7 | 4.52-4.90 | 2.8 |
8-32 | 1d | 4.2 | 4.4 | 5.20-5.56 | 4.0 |
10-24 | 1d | 4.8 | 5.1 | 6.19-6.58 | 3.3 |
12-24 | 1d | 5.5 | 5.8 | 6.86-7.24 | 4.0 |
1/4"-20 | 1d | 6.4 | 6.7 | 7.86-8.38 | 3.9 |
3/8"-16 | 1d | 9.5 | 9.9 | 11.48-11.99 | 4.8 |
7/16"-14 | 1d | 11.1 | 11.6 | 13.36-13.99 | 4.9 |
1/2"-13 | 1d | 12.7 | 13.1 | 15.16-15.8 | 5.2 |
5/8"-11 | 1d | 15.9 | 16.4 | 18.84-19.48 | 5.7 |
3/4"-10 | 1d | 19.1 | 19.6 | 22.36-23.00 | 6.3 |
1"-8 | 1d | 25.4 | 26.1 | 29.62-30.38 | 6.8 |
8-36 | 1d | 4.2 | 4.3 | 5.18-5.68 | 4.5 |
10-32 | 1d | 4.83 | 5.0 | 5.99-6.50 | 4.1 |
1/4"-28 | 1d | 6.35 | 6.6 | 7.77-8.28 | 5.0 |
5/16"-24 | 1d | 7.9 | 8.2 | 9.65-10.16 | 5.9 |
3/8"-24 | 1d | 9.5 | 9.8 | 11.37-11.88 | 7.3 |
7/16"-20 | 1d | 11.1 | 11.4 | 13.3-13.7 | 7.0 |
1/2"-20 | 1d | 12.7 | 13.0 | 15.03-15.67 | 7.9 |
9/16"-18 | 1d | 14.3 | 14.6 | 16.91-17.55 | 7.9 |
5/8"-18 | 1d | 15.9 | 16.2 | 18.61-19.25 | 9.4 |
3/4"-16 | 1d | 19.1 | 19.4 | 22.25-22.88 | 10.1 |
7/8"-14 | 1d | 22.2 | 22.6 | 25.93-26.69 | 10.3 |
1"-14 | 1d | 25.4 | 25.9 | 29.69-30.45 | 11.8 |
1"-12 | 1d | 25.4 | 30.0 | 29.69-30.45 | 10.0 |
